Unreal Engine Issues
Unreal Engine Issues
Crash when Saving Level after Successfully Building with Lightmass on Large Landscapes
UE - LD & Modeling - Terrain - Landscape - Jan 4, 2017A crash occurs when attempting to save a level after building static lighting for a large landscape. I was originally investigating a memory leak issue with landscapes, and the user provided the pa ...
Actors attached to Spring Arm with rotation lag avoid pitches of 90 and -90 degree
UE - Gameplay - Jan 19, 2018From User Bug Submission: When an actor/component (e. g. a camera) rotates around another object using the rotation lag of USpringArmComponent, it cannot rotate to the top or the bottom. At these ...
Multiple keys with the same value appear to be removed on Android for a Curve Table
UE - Gameplay - Components - Jul 8, 2019When using a curve table on android it appears that keys with duplicate values are removed. Link: [Link Removed] ...
Use mouse for touch enables gesture action on button which makes the button to lost focus to that the button fires onreleased event
UE - Editor - UI Systems - Slate - Mar 20, 2019When Use mouse for touch is enabled, the button fires onreleased event. Here is what I investigated. Use mouse for touch enables gesture action in the button that leads to LongPress gesture fires ...
BUG IN CLIENT OF LIBDISPATCH: crash on KeyPress down in WebBrowser
UE - Platform - Apple - Feb 12, 2020FCEFWebBrowserWindow::OnKeyDown() InternalCefBrowser->GetHost()->SendKeyEvent(KeyEvent); is processed on the UE4 GameThread, inside the Chromium Embedded Framework (CEF) it appears to call a syst ...
Meshs in a hidden sublevel may generate incorrect navmesh
UE - AI - Navigation - Nov 6, 2020If the level has hidden sublevels, the regenerated navmesh result appears to have a hidden sublevel mesh placed at the origin. Apparently, the reason is that bNavigationRelevant is no longer consid ...
AttachComponentToComponent node does not change the location of a Spawned particle system at runtime
UE - Framework - Components - Feb 17, 2022You can use the "Spawn Emitter Attached" function as a work around ...
Creating a new theme is lost once the editor is restarted
UE - Editor - Workflow Systems - Apr 6, 2022Creating a theme is undone when restarting the editor. The .json file seems to become disassociated from the editor, the theme is reset back to the previous theme, and the new theme isn't available ...
Editing a spline component in 5.4 no longer fires construction events.
UE - Editor - Workflow Systems - Apr 14, 2024Licensee found that in 5.4 the spline component when edited in editor, no longer triggered the construction script potentially breaking their art pipeline. The licensee mentioned the cause is likel ...
[Interchange] Adding fbx file to monitored folder triggered legacy import
UE - Editor - Content Pipeline - Import and Export - Jun 12, 2024The import dialog window is the legacy one and not the Interchange one. Auto reimport of modified FBX seems to be working properly with legacy or interchange selected depending on the CVar Rep ...